Upgrade to release 2.8.6:
- Add random_spanning_tree to documentation
- Add warning to nx_agraph about layout nondeterminism
- Add cache reset for when G._node is changed
- Allow unsortable nodes in approximation.treewidth functions
- Add examples for the condensation function
- Improve LCA input validation
- Replace LCA with naive implementations
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
